Analyzing a .NET Executable or DLL without .NET Installed

#include <windows.h>
#include "resource\resource.h"
#include <commctrl.h>
#include "PEParser.h"

// Net Analyze - by Michael Haephrati
// �2010 Michael Haephrati, haephrati@gmail.com 
//======================Handles================================================//
HINSTANCE hInst; // main function handler
#define WIN32_LEAN_AND_MEAN // this will assume smaller exe
TV_ITEM tvi, tvi2;
HTREEITEM Selected;
TV_INSERTSTRUCT tvinsert;   // struct to config out tree control
HTREEITEM Parent;           // Tree item handle
HTREEITEM Before;           // .......
HTREEITEM Root;             // .......
HIMAGELIST hImageList;      // Image list array hadle
HBITMAP hBitMap;            // bitmap handler
bool flagSelected=false;

// for drag and drop
HWND hTree;
TVHITTESTINFO tvht; 
HTREEITEM hitTarget;
POINTS Pos;
bool Dragging;

// for lable editing
HWND hEdit;
//====================MAIN DIALOG==========================================//
BOOL CALLBACK DialogProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
	switch (message) // what are we doing ?
	{ 	 
		// This Window Message is the heart of the dialog //
		//================================================//
		case WM_INITDIALOG: 
		{
		}
		break;

		case WM_LBUTTONDOWN: 
		{
			ReleaseCapture(); 
			SendMessage(hWnd,WM_NCLBUTTONDOWN,HTCAPTION,0); 
		}
		break;

		case WM_NOTIFY:
		{
		    case IDC_TREE1:
            
			if(((LPNMHDR)lParam)->code == NM_CLICK) // if code == NM_CLICK - Single click on an item
			{
				Selected=(HTREEITEM)SendDlgItemMessage(hWnd,IDC_TREE1,TVM_GETNEXTITEM,TVGN_CARET,(LPARAM)Selected);
				TreeView_Expand(GetDlgItem(hWnd, IDC_TREE1), Selected, TVM_EXPAND);
			}

			if(((LPNMHDR)lParam)->code == NM_RCLICK) // Right Click
			{
				Selected=(HTREEITEM)SendDlgItemMessage (hWnd,IDC_TREE1,TVM_GETNEXTITEM,TVGN_DROPHILITE,0);
				if(Selected==NULL)
				{
					MessageBox(hWnd,"No Items in TreeView","Error",MB_OK|MB_ICONINFORMATION);
					break;
				}
				
				SendDlgItemMessage(hWnd,IDC_TREE1,TVM_SELECTITEM,TVGN_CARET,(LPARAM)Selected);
				SendDlgItemMessage(hWnd,IDC_TREE1,TVM_SELECTITEM,TVGN_DROPHILITE,(LPARAM)Selected);
				TreeView_EnsureVisible(hTree,Selected);
			}

			if(((LPNMHDR)lParam)->code == TVN_BEGINDRAG)
			{
				HIMAGELIST hImg;
				LPNMTREEVIEW lpnmtv = (LPNMTREEVIEW) lParam;
				hImg=TreeView_CreateDragImage(hTree, lpnmtv->itemNew.hItem);
				ImageList_BeginDrag(hImg, 0, 0, 0);
				ImageList_DragEnter(hTree,lpnmtv->ptDrag.x,lpnmtv->ptDrag.y);
				ShowCursor(FALSE); 
				SetCapture(hWnd); 
				Dragging = TRUE;	
			}

			if(((LPNMHDR)lParam)->code == TVN_BEGINLABELEDIT)
			{
				hEdit=TreeView_GetEditControl(hTree);
			}

			if(((LPNMHDR)lParam)->code == TVN_ENDLABELEDIT)
			{
				char Text[256]="";
				tvi.hItem=Selected;
				SendDlgItemMessage(hWnd,IDC_TREE1,TVM_GETITEM,0,(WPARAM)&tvi);
				GetWindowText(hEdit, Text, sizeof(Text)); 
				tvi.pszText=Text;
				SendDlgItemMessage(hWnd,IDC_TREE1,TVM_SETITEM,0,(WPARAM)&tvi);
			}
		}
		break;

		case WM_MOUSEMOVE:
		{
			if (Dragging) 
			{ 
				Pos = MAKEPOINTS(lParam);
				ImageList_DragMove(Pos.x-32, Pos.y-25); // where to draw the drag from
				ImageList_DragShowNolock(FALSE);
				tvht.pt.x = Pos.x-20; // the highlight items should be as the same points as the drag
				tvht.pt.y = Pos.y-20; //
				if(hitTarget=(HTREEITEM)SendMessage(hTree,TVM_HITTEST,NULL,(LPARAM)&tvht)) // if there is a hit
					SendMessage(hTree,TVM_SELECTITEM,TVGN_DROPHILITE,(LPARAM)hitTarget);   // highlight it
			
			    ImageList_DragShowNolock(TRUE); 
			} 
		}
		break;

        case WM_LBUTTONUP:
        {
            if (Dragging) 
            {
                ImageList_DragLeave(hTree);
                ImageList_EndDrag();
                Selected=(HTREEITEM)SendDlgItemMessage(hWnd,IDC_TREE1,TVM_GETNEXTITEM,TVGN_DROPHILITE,0);
                SendDlgItemMessage(hWnd,IDC_TREE1,TVM_SELECTITEM,TVGN_CARET,(LPARAM)Selected);
                SendDlgItemMessage(hWnd,IDC_TREE1,TVM_SELECTITEM,TVGN_DROPHILITE,0);
                ReleaseCapture();
                ShowCursor(TRUE); 
                Dragging = FALSE;
            }
        }
        break;


		case WM_PAINT: // constantly painting the window
		{
			return 0;
		}
		break;
		
		case WM_COMMAND: // Controling the Buttons
		{
			switch (LOWORD(wParam)) // what we pressed on?
			{ 	 

				case IDC_DELETE: // Generage Button is pressed
				{
					
					OPENFILENAME ofn;
					char szFileName[MAX_PATH] = "";

					ZeroMemory(&ofn, sizeof(ofn));

					ofn.lStructSize = sizeof(ofn); // SEE NOTE BELOW
					ofn.hwndOwner = hWnd;
					ofn.lpstrFilter = "Exe Files (*.exe)\0*.exe\0All Files (*.*)\0*.*\0";
					ofn.lpstrFile = szFileName;
					ofn.nMaxFile = MAX_PATH;
					ofn.Flags = OFN_EXPLORER | OFN_FILEMUSTEXIST | OFN_HIDEREADONLY|OFN_ALLOWMULTISELECT;
					ofn.lpstrDefExt = "exe";

					if(GetOpenFileName(&ofn))
					{
						CPEParser objPEParser;
						list<string> lString= objPEParser.GetDotNetClassName(ofn.lpstrFile);
						
						if(lString.size() == 0)
						{
							SendDlgItemMessage(hWnd,IDC_TREE1,TVM_DELETEITEM,TVGN_CARET,(LPARAM)tvi.hItem);
							MessageBox(hWnd,"It's not a .NET EXE file","Error",MB_OK|MB_ICONINFORMATION);
							break;
						}
						// Do something usefull with the filename stored in szFileName 
						InitCommonControls();	    // make our tree control to work
						hTree=GetDlgItem(hWnd,IDC_TREE1);
						
						list<string>::iterator iteStr = lString.begin();
						

						tvinsert.hParent=NULL;			// top most level no need handle
						tvinsert.hInsertAfter=TVI_ROOT; // work as root level
						tvinsert.item.mask=TVIF_TEXT|TVIF_IMAGE|TVIF_SELECTEDIMAGE;
						tvinsert.item.pszText=const_cast<char *>((*iteStr++).c_str());
						Parent=(HTREEITEM)SendDlgItemMessage(hWnd,IDC_TREE1,TVM_INSERTITEM,0,(LPARAM)&tvinsert);
						Root=Parent;
						Before=Parent;

						for(; iteStr != lString.end(); iteStr++)
						{
							tvinsert.hParent=Root;			// top most level no need handle
							tvinsert.hInsertAfter=TVI_LAST; // work as root level
							tvinsert.item.pszText=const_cast<char *>((*iteStr).append(".cs", 3).c_str());
							Parent=(HTREEITEM)SendDlgItemMessage(hWnd,IDC_TREE1,TVM_INSERTITEM,0,(LPARAM)&tvinsert);
						}
					}
				} 
				break;

			}
			break;

			case WM_CLOSE: // We colsing the Dialog
			{
				EndDialog(hWnd,0); 
			}
			break;
		}
		break;
	}
	return 0;
}

int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance, PSTR szCmdLine, int iCmdShow)
{
	hInst=hInstance;
	DialogBoxParam(hInstance, MAKEINTRESOURCE(IDD_DIALOG1), NULL, (DLGPROC)DialogProc,0);
	return 0;
}